Gematria provides essential explanations of theoretical and practical Qabalistic number analysis and philosophy. "An Essay in Number," also included, provides invaluable insights into key numbers as well as techniques and safeguards for practical magical work. Gematria was first published in The Equinox, vol. 1. no. 5.

777 itself contains, in concise tabulated form, an overview of symbolism of the major world religions, as well as the system of correspondence of the Hermetic Order of the Golden Dawn. In short, it is a complete magical and philosophical dictionary--a key to all religion and practical occultism--an amazing work whose value has been recognized through many editions since its first appearance in 1909 and subsequent enlargement in 1955.

The third text in this collection is Sepher Sephiroth, a unique dictionary listing hundreds of Hebrew words arranged by numerical value. It was compiled jointly by Aleister Crowley and Allan Bennett and first appeared in The Equinox, vol. 1, no. 8.